[ Version ( since = "0.2.0" ) ]
public unowned string? get_etag ()
Returns the ETag of the entry; a unique identifier for each version of the entry.
For more information, see the <ulink type="http" url="http://code.google.com/apis/gdata/docs/2.0/reference.html#ResourceVersioning" >online documentation</ulink>.
The ETag will never be empty; it's either null or a valid ETag.
| this |
a Entry |
|
the entry's ETag, or null |